If you do, draw a card, then you may put a creature card and/or a land card from your hand onto the battlefield
Now, the Goblins die and potentially draw you into more Goblins at least if you can cast them before the end of your next turn
Whats more, if the artifacts that you used to assemble the Megazord have ETB abilities, you get bonus value from them when (if?) your opponent deals with it
These lands are going to show up in a ton of decks
Though thats a consistent theme, we have plenty of options that care about the graveyard or are simply zombies for flavor purposes, like the God-Eternals Nicol Bolas used to invade Ravnica
Prosper, Tome-Bound Prosper, Tome-Bound is another Rakdos card that helps you with drawing and mana fixing